
.middle > div {
    border: 1px solid gray;
}

.propaganda {
    display: flex;
    justify-content: center;
}

.propaganda > div > div:nth-child(1) {
    display: flex;
    justify-content: center;
    align-items: center;
}

.propaganda > div > div:nth-child(1) > div:nth-child(1) {
    color: rgb(230, 145, 55);
    font-size: 30px;
}

.propaganda > div > div:nth-child(1) > div:nth-child(2) {
    color: gray;
    font-size: 15px;
}

/*让两个div在一行*/
/*.propaganda>div>div:nth-child(1)>div{*/
/*    display: flex;*/
/*}*/
.submit {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.submit > div {
    /*border: 1px solid gray;*/
    width: 600px;
}

/*.submit>div>div>div{*/
/*    line-height: 30px;*/
/*}*/
/*.submit>div>div>div:nth-child(2){*/
/*    border: 1px dashed gray;*/
/*    height: 30px;*/
/*    background-color: rgb(238,238,238);*/
/*    padding: 0 10px;*/
/*}*/
/*!*优先级*!*/
/*!*.content{*!*/
/*!*    height: 100px;*!*/
/*!*}*!*/
/*.submit>div>div:nth-child(3)>div:nth-child(2){*/
/*    height: 100px;*/
/*}*/
/*input元素选择器，input[kuang] 属性选择器   input[kuang], textarea 分组选择器*/
input[kuang], textarea {
    width: 592px;
    line-height: 30px;
    border: 1px dashed gray;
    background-color: rgb(238,238,238);
    padding: 0 10px;
}
textarea{
    /*resize: none;*/
    height: 100px;
    min-width: 100px;
    /*vertical-align: auto;*/
    resize: vertical;
    line-height: 20px;
}
form>div>div:nth-child(1){
    line-height: 30px;
}
form>div:last-child{
    display: flex;
    justify-content: center;
}
input[type=submit]{
    background-color:rgb(230, 145, 55);
    color: white;
    padding: 5px 50px;
    margin: 50px 0;
    border: none;
    cursor: pointer;
    /*阴影*/
    /*box-shadow: 2px 20px 5px 10px red;*/
    /*圆角*/
    /*border-radius: 40px 50px 60px 80px;*/
}